Herbicidal compositions containing para-substituted benzenesulfo

Details Herbicidal compositions containing para-substituted benzenesulfo Herbicidal compositions containing para-substituted benzenesulfo

1974-05-13

1976-03-09

Hollrah, Glennon H.

Chemistry: fertilizers

Processes and products

Forms or conditioning

2603977D, 424321, A01N 914

Patent

active

039429733

ABSTRACT:
Benzenesulfonylureas of the formula: ##SPC1##
Where R is methyl or ethyl, R.sub.1 is methyl or ethyl, and R.sub.2 is hydrogen, methyl, or ethyl and salts of those benzenesulfonylureas of formula I having the formula: ##SPC2##
Where R, R.sub.1, and R.sub.2 are as aforesaid, and Z is an alkali metal, an alkaline earth metal, or ##EQU1## where R.sub.3, R.sub.4, and R.sub.5 are each hydrogen or a C.sub.1 -C.sub.4 alkyl; the use of compounds of formulas I and II; and compositions containing such compounds.

REFERENCES:
patent: 3498780 (1970-03-01), Soper et al.
patent: 3628946 (1971-12-01), Tung et al.
patent: 3637366 (1972-01-01), Wietelmann et al.
Blank et al., "The Synthesis of Some Potential etc;" (1960).
J. Org. Chem. 26 pp. 1551-1553 (1961).

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